The embodiment of the invention relates to automatic ink color blending equipment. The automatic ink color blending equipment comprises an equipment cabinet with a carrying platform, wherein an ink barrel moving platform is arranged on the carrying platform. The ink barrel moving platform comprises a moving guide rail, weighing equipment and an ink barrel. The ink barrel is arranged on the weighing equipment, and the weighing equipment is arranged on the moving guide rail and moves along the moving guide rail. An ink supply bin is erected above the ink barrel moving platform and comprises multiple sets of ink supply devices, wherein the ink supply devices are used for providing ink in different color scales. A control terminal is arranged on the carrying platform and electrically connected with the ink supply bin, the moving guide rail and the weighing equipment. The control terminal obtains target color scale information, generates ink selection and control information according to the target color scale information and controls and selects one or more sets of ink supply devices to inject ink of the corresponding weight into the ink barrel, wherein the ink selection and control information comprises ink device selection information and needed injection ink amount information.